/Engine/Source/Runtime/InteractiveToolsFramework/Public/InteractiveToolManager.h
typedef TMulticastDelegate_TwoParams< void, [UInteractiveToolManager](API\Runtime\InteractiveToolsFramework\UInteractiveToolManager) *, [UInteractiveTool](API\Runtime\InteractiveToolsFramework\UInteractiveTool) * > FToolManagerToolStartedSignature